<template>
  <div class="c-toolbar">

    <el-row :gutter="10">
      <el-col :span="1.5" v-if="haveAdd">
        <el-button
            type="primary"
            plain
            icon="Plus"
            @click="handleAdd"
        >新增
        </el-button>
      </el-col>

<!--      <el-col :span="1.5" v-if="haveImport">-->
<!--        <el-button-->
<!--            type="info"-->
<!--            plain-->
<!--            icon="Upload"-->
<!--            @click="handleImport"-->
<!--        >导入-->
<!--        </el-button>-->
<!--      </el-col>-->
<!--      <el-col :span="1.5"  v-if="haveOut">-->
<!--        <el-button-->
<!--            type="warning"-->
<!--            plain-->
<!--            icon="Download"-->
<!--            @click="handleOut"-->
<!--        >导出-->
<!--        </el-button>-->
<!--      </el-col>-->
    </el-row>

    <div class="top-right-btn" :style="style">
      <el-row>
        <el-tooltip class="item" effect="dark" :content="showSearch ? '隐藏搜索' : '显示搜索'" placement="top" v-if="search">
          <el-button circle icon="Search" @click="toggleSearch()"/>
        </el-tooltip>
        <el-tooltip class="item" effect="dark" content="刷新" placement="top">
          <el-button circle icon="Refresh" @click="refresh()"/>
        </el-tooltip>
        <el-tooltip class="item" effect="dark" content="显隐列" placement="top" v-if="columns">
          <el-button circle icon="Menu" @click="showColumn()"/>
        </el-tooltip>
      </el-row>
      <el-dialog :title="title" v-model="open" append-to-body>
        <el-transfer
            :titles="['显示', '隐藏']"
            v-model="value"
            :data="columns"
            @change="dataChange"
        ></el-transfer>
      </el-dialog>
    </div>
  </div>

</template>

<script setup>

import {ref, computed} from "vue";

const props = defineProps({
  showSearch: {
    type: Boolean,
    default: true,
  },
  columns: {
    type: Array,
  },
  search: {
    type: Boolean,
    default: true,
  },
  gutter: {
    type: Number,
    default: 10,
  },
  haveAdd:{
    type: Boolean,
    default: true,
  },
  haveImport:{
    type: Boolean,
    default: true,
  },
  haveOut:{
    type: Boolean,
    default: true,
  }
})

const emits = defineEmits(['update:showSearch', 'queryTable',"onImportClick","onOutClick","onAddClick"]);

// 显隐数据
const value = ref([]);
// 弹出层标题
const title = ref("显示/隐藏");
// 是否显示弹出层
const open = ref(false);

const style = computed(() => {
  const ret = {};
  if (props.gutter) {
    ret.marginRight = `${props.gutter / 2}px`;
  }
  return ret;
});

// 搜索
function toggleSearch() {
  emits("update:showSearch", !props.showSearch);
}

// 刷新
function refresh() {
  emits("queryTable");
}

// 右侧列表元素变化
function dataChange(data) {
  for (let item in props.columns) {
    const key = props.columns[item].key;
    props.columns[item].visible = !data.includes(key);
  }
}

// 打开显隐列dialog
function showColumn() {
  open.value = true;
}

// 显隐列初始默认隐藏列
for (let item in props.columns) {
  if (props.columns[item].visible === false) {
    value.value.push(parseInt(item));
  }
}
const handleAdd = (()=>{
  emits("onAddClick");

})
const handleImport = (()=>{
  emits("onImportClick");

})
const handleOut = (()=>{
  emits("onOutClick");

})
</script>

<style lang='scss' scoped>


.c-toolbar {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
}

:deep(.el-transfer__button) {
  border-radius: 50%;
  display: block;
  margin-left: 0px;
}

:deep(.el-transfer__button:first-child) {
  margin-bottom: 10px;
}

.my-el-transfer {
  text-align: center;
}
</style>